Mercurial > public > ostc4
annotate Small_CPU/Src/spi.c @ 85:923c4566a2a1 kittz
increased interCPU baudrate, cpu2: i2c in SPI1 IRQ
| author | Dmitry Romanov <kitt@bk.ru> |
|---|---|
| date | Wed, 21 Nov 2018 12:49:54 +0300 |
| parents | e6abbef57475 |
| children | 3db7389d49cc |
| rev | line source |
|---|---|
| 38 | 1 /** |
| 2 ****************************************************************************** | |
| 3 * @file spi.c | |
| 4 * @author heinrichs weikamp gmbh | |
| 5 * @version V0.0.1 | |
| 6 * @date 16-Sept-2014 | |
| 7 * @brief Source code for spi control | |
| 8 * | |
| 9 @verbatim | |
| 10 ============================================================================== | |
| 11 ##### How to use ##### | |
| 12 ============================================================================== | |
| 13 @endverbatim | |
| 14 ****************************************************************************** | |
| 15 * @attention | |
| 16 * | |
| 17 * <h2><center>© COPYRIGHT(c) 2014 heinrichs weikamp</center></h2> | |
| 18 * | |
| 19 ****************************************************************************** | |
| 20 */ | |
| 21 | |
| 22 /* Includes ------------------------------------------------------------------*/ | |
| 23 #include "spi.h" | |
| 24 //#include "gpio.h" | |
| 25 | |
| 26 /* USER CODE BEGIN 0 */ | |
| 27 #include "scheduler.h" | |
| 28 | |
| 29 extern void GPIO_new_DEBUG_LOW(void); | |
| 30 extern void GPIO_new_DEBUG_HIGH(void); | |
| 31 | |
| 32 | |
| 33 uint8_t data_error = 0; | |
| 34 uint32_t data_error_time = 0; | |
| 35 | |
| 36 static void SPI_Error_Handler(void); | |
| 37 | |
| 38 /* USER CODE END 0 */ | |
| 39 | |
| 40 static uint8_t SPI_check_header_and_footer_ok(void); | |
| 41 | |
| 42 SPI_HandleTypeDef hspi1; | |
| 43 SPI_HandleTypeDef hspi3; | |
| 44 | |
| 45 DMA_HandleTypeDef hdma_tx; | |
| 46 DMA_HandleTypeDef hdma_rx; | |
| 47 | |
| 48 // SPI3 init function | |
| 49 void MX_SPI3_Init(void) | |
| 50 { | |
| 51 hspi3.Instance = SPI3; | |
| 52 hspi3.Init.Mode = SPI_MODE_MASTER; | |
| 53 hspi3.Init.Direction = SPI_DIRECTION_2LINES; | |
| 54 hspi3.Init.DataSize = SPI_DATASIZE_8BIT; | |
| 55 hspi3.Init.CLKPolarity = SPI_POLARITY_HIGH; | |
| 56 hspi3.Init.CLKPhase = SPI_PHASE_1EDGE; | |
| 57 hspi3.Init.NSS = SPI_NSS_SOFT; | |
| 58 hspi3.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_256; | |
| 59 hspi3.Init.FirstBit = SPI_FIRSTBIT_MSB; | |
| 60 hspi3.Init.TIMode = SPI_TIMODE_DISABLED; | |
| 61 hspi3.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLED; | |
| 62 hspi3.Init.CRCPolynomial = 7; | |
| 63 HAL_SPI_Init(&hspi3); | |
| 64 } | |
| 65 | |
| 66 void MX_SPI3_DeInit(void) | |
| 67 { | |
| 68 HAL_SPI_DeInit(&hspi3); | |
| 69 } | |
| 70 | |
| 71 uint8_t SPI3_ButtonAdjust(uint8_t *arrayInput, uint8_t *arrayOutput) | |
| 72 { | |
| 73 HAL_StatusTypeDef status; | |
| 74 uint8_t answer[10]; | |
| 75 uint8_t rework[10]; | |
| 76 | |
| 77 rework[0] = 0xFF; | |
| 78 for(int i = 0; i < 3; i++) | |
| 79 { | |
| 80 // limiter | |
| 81 if(arrayInput[i] == 0xFF) | |
| 82 arrayInput[i] = 0xFE; | |
| 83 if(arrayInput[i] >= 15) | |
| 84 { | |
| 82 | 85 // copy - ausl�se-schwelle |
| 38 | 86 rework[i+1] = arrayInput[i]; |
| 87 // wieder-scharf-schalte-schwelle | |
| 88 rework[i+3+1] = arrayInput[i] - 10; | |
| 89 } | |
| 90 else | |
| 91 if(arrayInput[i] >= 10) | |
| 92 { | |
| 82 | 93 // copy - ausl�se-schwelle |
| 38 | 94 rework[i+1] = arrayInput[i]; |
| 95 // wieder-scharf-schalte-schwelle | |
| 96 rework[i+3+1] = arrayInput[i] - 5; | |
| 97 } | |
| 98 else | |
| 99 { | |
| 82 | 100 // copy - ausl�se-schwelle |
| 38 | 101 rework[i+1] = 7; |
| 102 // wieder-scharf-schalte-schwelle | |
| 103 rework[i+3+1] = 6; | |
| 104 } | |
| 105 } | |
| 106 | |
| 107 status = HAL_OK; /* = 0 */ | |
| 108 HAL_GPIO_WritePin(GPIOC, GPIO_PIN_9,GPIO_PIN_SET); | |
| 109 for(int i=0;i<7;i++) | |
| 110 { | |
| 63 | 111 HAL_Delay(10); |
| 38 | 112 HAL_GPIO_WritePin(GPIOC, GPIO_PIN_9,GPIO_PIN_RESET); |
| 63 | 113 HAL_Delay(10); |
| 38 | 114 status += HAL_SPI_TransmitReceive(&hspi3, &rework[i], &answer[i], 1,20); |
| 63 | 115 HAL_Delay(10); |
| 38 | 116 HAL_GPIO_WritePin(GPIOC, GPIO_PIN_9,GPIO_PIN_SET); |
| 117 } | |
| 118 | |
| 119 if(status == HAL_OK) | |
| 120 { | |
| 121 for(int i = 0; i < 3; i++) | |
| 122 { | |
| 123 arrayOutput[i] = answer[i+2]; // first not, return of 0xFF not | |
| 124 } | |
| 125 return 1; | |
| 126 } | |
| 127 else | |
| 128 | |
| 129 return 0; | |
| 130 } | |
| 131 | |
| 132 | |
| 133 // SPI5 init function | |
| 134 void MX_SPI1_Init(void) | |
| 135 { | |
| 136 hspi1.Instance = SPI1; | |
| 137 hspi1.Init.Mode = SPI_MODE_SLAVE; | |
| 138 hspi1.Init.Direction = SPI_DIRECTION_2LINES; | |
| 139 hspi1.Init.DataSize = SPI_DATASIZE_8BIT; | |
| 140 hspi1.Init.CLKPolarity = SPI_POLARITY_LOW; | |
| 141 hspi1.Init.CLKPhase = SPI_PHASE_1EDGE; | |
| 142 hspi1.Init.NSS = SPI_NSS_HARD_INPUT;//SPI_NSS_SOFT; | |
|
85
923c4566a2a1
increased interCPU baudrate, cpu2: i2c in SPI1 IRQ
Dmitry Romanov <kitt@bk.ru>
parents:
84
diff
changeset
|
143 hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_64; |
| 38 | 144 hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB; |
| 145 hspi1.Init.TIMode = SPI_TIMODE_DISABLED; | |
| 146 hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLED;//_DISABLED; _ENABLED; | |
| 147 hspi1.Init.CRCPolynomial = 7; | |
| 148 HAL_SPI_Init(&hspi1); | |
| 149 } | |
| 150 | |
| 151 void MX_SPI_DeInit(void) | |
| 152 { | |
| 153 HAL_SPI_DeInit(&hspi1); | |
| 154 } | |
| 155 | |
| 156 | |
| 157 void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi) | |
| 158 { | |
| 159 | |
| 160 GPIO_InitTypeDef GPIO_InitStruct; | |
| 161 | |
| 162 if(hspi->Instance==SPI1) | |
| 163 { | |
| 164 // Peripheral clock enable | |
| 165 __SPI1_CLK_ENABLE(); | |
| 166 __GPIOA_CLK_ENABLE(); | |
| 167 //SPI1 GPIO Configuration | |
| 168 //PA4 ------> SPI1_CS | |
| 169 //PA5 ------> SPI1_SCK | |
| 170 //PA6 ------> SPI1_MISO | |
| 171 //PA7 ------> SPI1_MOSI | |
| 172 | |
| 173 GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7; | |
| 174 // GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7; | |
| 175 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; | |
| 176 GPIO_InitStruct.Pull = GPIO_PULLUP; | |
| 177 GPIO_InitStruct.Speed = GPIO_SPEED_MEDIUM; | |
| 178 GPIO_InitStruct.Alternate = GPIO_AF5_SPI1; | |
| 179 HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); | |
| 180 | |
| 181 //##-3- Configure the DMA streams ########################################## | |
| 182 // Configure the DMA handler for Transmission process | |
| 183 hdma_tx.Instance = DMA2_Stream3; | |
| 184 hdma_tx.Init.Channel = DMA_CHANNEL_3; | |
| 185 hdma_tx.Init.Direction = DMA_MEMORY_TO_PERIPH; | |
| 186 hdma_tx.Init.PeriphInc = DMA_PINC_DISABLE; | |
| 187 hdma_tx.Init.MemInc = DMA_MINC_ENABLE; | |
| 188 hdma_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE; | |
| 189 hdma_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE; | |
| 190 hdma_tx.Init.Mode = DMA_NORMAL; | |
|
85
923c4566a2a1
increased interCPU baudrate, cpu2: i2c in SPI1 IRQ
Dmitry Romanov <kitt@bk.ru>
parents:
84
diff
changeset
|
191 hdma_tx.Init.Priority = DMA_PRIORITY_VERY_HIGH; |
| 38 | 192 hdma_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE; |
| 193 hdma_tx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL; | |
| 194 hdma_tx.Init.MemBurst = DMA_MBURST_INC4; | |
| 195 hdma_tx.Init.PeriphBurst = DMA_PBURST_INC4; | |
| 196 | |
| 197 HAL_DMA_Init(&hdma_tx); | |
| 198 | |
| 199 // Associate the initialized DMA handle to the the SPI handle | |
| 200 __HAL_LINKDMA(hspi, hdmatx, hdma_tx); | |
| 201 | |
| 202 // Configure the DMA handler for Transmission process | |
| 203 hdma_rx.Instance = DMA2_Stream0; | |
| 204 hdma_rx.Init.Channel = DMA_CHANNEL_3; | |
| 205 hdma_rx.Init.Direction = DMA_PERIPH_TO_MEMORY; | |
| 206 hdma_rx.Init.PeriphInc = DMA_PINC_DISABLE; | |
| 207 hdma_rx.Init.MemInc = DMA_MINC_ENABLE; | |
| 208 hdma_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE; | |
| 209 hdma_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE; | |
| 210 hdma_rx.Init.Mode = DMA_NORMAL; | |
| 211 hdma_rx.Init.Priority = DMA_PRIORITY_HIGH; | |
| 212 hdma_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE; | |
| 213 hdma_rx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL; | |
| 214 hdma_rx.Init.MemBurst = DMA_MBURST_INC4; | |
| 215 hdma_rx.Init.PeriphBurst = DMA_PBURST_INC4; | |
| 216 | |
| 217 HAL_DMA_Init(&hdma_rx); | |
| 218 | |
| 219 // Associate the initialized DMA handle to the the SPI handle | |
| 220 __HAL_LINKDMA(hspi, hdmarx, hdma_rx); | |
| 221 | |
| 222 //##-4- Configure the NVIC for DMA ######################################### | |
| 223 //NVIC configuration for DMA transfer complete interrupt (SPI3_RX) | |
| 224 HAL_NVIC_SetPriority(DMA2_Stream0_IRQn, 1, 0); | |
| 225 HAL_NVIC_EnableIRQ(DMA2_Stream0_IRQn); | |
| 226 | |
| 227 // NVIC configuration for DMA transfer complete interrupt (SPI1_TX) | |
| 228 HAL_NVIC_SetPriority(DMA2_Stream3_IRQn, 1, 1); | |
| 229 HAL_NVIC_EnableIRQ(DMA2_Stream3_IRQn); | |
| 230 } | |
| 231 else | |
| 232 if(hspi->Instance==SPI3) | |
| 233 { | |
| 234 __GPIOC_CLK_ENABLE(); | |
| 235 __SPI3_CLK_ENABLE(); | |
| 236 | |
| 237 //SPI1 GPIO Configuration | |
| 238 //PC10 ------> SPI3_SCK | |
| 239 //PC11 ------> SPI3_MISO | |
| 240 //PC12 ------> SPI3_MOSI | |
| 241 //PA15 ------> SPI3_NSS (official) | |
| 242 //PC9 ------> SPI3_NSS (hw) | |
| 243 | |
| 244 GPIO_InitStruct.Pin = GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12; | |
| 245 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; | |
| 246 GPIO_InitStruct.Pull = GPIO_PULLUP; | |
| 247 GPIO_InitStruct.Speed = GPIO_SPEED_FAST; | |
| 248 GPIO_InitStruct.Alternate = GPIO_AF6_SPI3; | |
| 249 HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); | |
| 250 | |
| 251 GPIO_InitStruct.Pin = GPIO_PIN_9; | |
| 252 GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; | |
| 253 GPIO_InitStruct.Pull = GPIO_PULLUP; | |
| 254 GPIO_InitStruct.Speed = GPIO_SPEED_LOW; | |
| 255 HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); | |
| 256 | |
| 257 HAL_GPIO_WritePin(GPIOC, GPIO_PIN_9,GPIO_PIN_SET); | |
| 258 } | |
| 259 } | |
| 260 | |
| 261 void HAL_SPI_MspDeInit(SPI_HandleTypeDef* hspi){ | |
| 262 if(hspi->Instance==SPI1) | |
| 263 { | |
| 264 __SPI1_FORCE_RESET(); | |
| 265 __SPI1_RELEASE_RESET(); | |
| 266 | |
| 267 //SPI1 GPIO Configuration | |
| 268 //PA5 ------> SPI1_SCK | |
| 269 //PA6 ------> SPI1_MISO | |
| 270 //PA7 ------> SPI1_MOSI | |
| 271 | |
| 272 HAL_GPIO_DeInit(GPIOA, GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7); | |
| 273 | |
| 274 HAL_DMA_DeInit(&hdma_tx); | |
| 275 HAL_DMA_DeInit(&hdma_rx); | |
| 276 | |
| 277 HAL_NVIC_DisableIRQ(DMA2_Stream3_IRQn); | |
| 278 HAL_NVIC_DisableIRQ(DMA2_Stream0_IRQn); | |
| 279 } | |
| 280 else | |
| 281 if(hspi->Instance==SPI3) | |
| 282 { | |
| 283 __SPI3_FORCE_RESET(); | |
| 284 __SPI3_RELEASE_RESET(); | |
| 285 | |
| 286 //SPI1 GPIO Configuration | |
| 287 //PC10 ------> SPI3_SCK | |
| 288 //PC11 ------> SPI3_MISO | |
| 289 //PC12 ------> SPI3_MOSI | |
| 290 //PA15 ------> SPI3_NSS (official) | |
| 291 //PC9 ------> SPI3_NSS (hw) | |
| 292 HAL_GPIO_DeInit(GPIOC, GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12); | |
| 293 } | |
| 294 } | |
| 295 | |
| 296 void SPI_synchronize_with_Master(void) | |
| 297 { | |
| 298 GPIO_InitTypeDef GPIO_InitStruct; | |
| 299 | |
| 300 __GPIOA_CLK_ENABLE(); | |
| 301 /**SPI1 GPIO Configuration | |
| 302 PA5 ------> SPI1_SCK | |
| 303 */ | |
| 304 GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_5; | |
| 305 GPIO_InitStruct.Mode = GPIO_MODE_INPUT; | |
| 306 GPIO_InitStruct.Pull = GPIO_PULLUP; | |
| 307 GPIO_InitStruct.Speed = GPIO_SPEED_LOW; | |
| 308 HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); | |
| 309 | |
| 310 HAL_Delay(10); | |
| 311 while(HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_4) == 0); | |
| 312 HAL_Delay(10); | |
| 313 while(HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_5) == 1); | |
| 314 HAL_Delay(50); | |
| 315 } | |
| 316 | |
| 317 | |
| 318 void SPI_Start_single_TxRx_with_Master(void) | |
| 319 { | |
| 320 uint8_t * pOutput; | |
| 321 | |
| 322 if(global.dataSendToSlave.getDeviceDataNow) | |
| 323 { | |
| 324 global.dataSendToSlave.getDeviceDataNow = 0; | |
| 325 pOutput = (uint8_t*)&(global.deviceDataSendToMaster); | |
| 326 } | |
| 327 else | |
| 328 { | |
| 329 pOutput = (uint8_t*)&(global.dataSendToMaster); | |
| 330 } | |
| 331 | |
| 332 if(HAL_SPI_TransmitReceive_DMA(&hspi1,pOutput, (uint8_t*)&(global.dataSendToSlave), EXCHANGE_BUFFERSIZE+1) != HAL_OK) | |
| 333 { | |
| 334 // Transfer error in transmission process | |
| 335 SPI_Error_Handler(); | |
| 336 } | |
| 337 } | |
| 338 | |
| 339 | |
| 340 void HAL_SPI_TxRxCpltCallback(SPI_HandleTypeDef *hspi) | |
| 341 { | |
| 82 | 342 /* restart SPI */ |
| 343 if(hspi == &hspi1) | |
| 344 { | |
| 345 | |
| 38 | 346 global.check_sync_not_running = 0; |
| 347 /* stop data exchange? */ | |
| 348 if(global.mode == MODE_SHUTDOWN) | |
| 349 { | |
| 350 global.mode = MODE_SLEEP; | |
| 351 global.dataSendToSlavePending = 0; | |
| 352 global.dataSendToSlaveIsValid = 1; | |
| 353 global.dataSendToSlaveIsNotValidCount = 0; | |
| 354 return; | |
| 355 } | |
| 356 | |
| 357 /* data consistent? */ | |
| 358 if(SPI_check_header_and_footer_ok()) | |
| 359 { | |
| 82 | 360 // GPIO_new_DEBUG_HIGH(); //For debug. |
| 38 | 361 global.dataSendToSlaveIsValid = 1; |
| 362 global.dataSendToSlaveIsNotValidCount = 0; | |
| 363 } | |
| 364 else | |
| 365 { | |
| 82 | 366 // GPIO_new_DEBUG_LOW(); //For debug. |
| 38 | 367 global.dataSendToSlaveIsValid = 0; |
| 368 global.dataSendToSlaveIsNotValidCount++; | |
| 369 } | |
| 370 global.dataSendToMaster.power_on_reset = 0; | |
| 371 global.deviceDataSendToMaster.power_on_reset = 0; | |
|
85
923c4566a2a1
increased interCPU baudrate, cpu2: i2c in SPI1 IRQ
Dmitry Romanov <kitt@bk.ru>
parents:
84
diff
changeset
|
372 // if(global.dataUpdateIsNeeded) |
|
923c4566a2a1
increased interCPU baudrate, cpu2: i2c in SPI1 IRQ
Dmitry Romanov <kitt@bk.ru>
parents:
84
diff
changeset
|
373 // { |
|
923c4566a2a1
increased interCPU baudrate, cpu2: i2c in SPI1 IRQ
Dmitry Romanov <kitt@bk.ru>
parents:
84
diff
changeset
|
374 scheduleSpecial_Evaluate_DataSendToSlave(); |
|
923c4566a2a1
increased interCPU baudrate, cpu2: i2c in SPI1 IRQ
Dmitry Romanov <kitt@bk.ru>
parents:
84
diff
changeset
|
375 // global.dataUpdateIsNeeded=0; |
|
923c4566a2a1
increased interCPU baudrate, cpu2: i2c in SPI1 IRQ
Dmitry Romanov <kitt@bk.ru>
parents:
84
diff
changeset
|
376 // } |
| 82 | 377 SPI_Start_single_TxRx_with_Master(); |
| 378 } | |
| 38 | 379 } |
| 380 | |
| 381 | |
| 382 static uint8_t SPI_check_header_and_footer_ok(void) | |
| 383 { | |
| 384 if(global.dataSendToSlave.header.checkCode[0] != 0xBB) | |
| 385 return 0; | |
| 386 if(global.dataSendToSlave.header.checkCode[1] != 0x01) | |
| 387 return 0; | |
| 388 if(global.dataSendToSlave.header.checkCode[2] != 0x01) | |
| 389 return 0; | |
| 390 if(global.dataSendToSlave.header.checkCode[3] != 0xBB) | |
| 391 return 0; | |
| 392 if(global.dataSendToSlave.footer.checkCode[0] != 0xF4) | |
| 393 return 0; | |
| 394 if(global.dataSendToSlave.footer.checkCode[1] != 0xF3) | |
| 395 return 0; | |
| 396 if(global.dataSendToSlave.footer.checkCode[2] != 0xF2) | |
| 397 return 0; | |
| 398 if(global.dataSendToSlave.footer.checkCode[3] != 0xF1) | |
| 399 return 0; | |
| 400 | |
| 401 return 1; | |
| 402 } | |
| 403 | |
| 404 static void SPI_Error_Handler(void) | |
| 405 { | |
| 82 | 406 //The device is locks. Hard to recover. |
| 407 // while(1) | |
| 408 // { | |
| 409 // } | |
| 38 | 410 } |
| 411 | |
| 412 /** | |
| 413 * @} | |
| 414 */ | |
| 415 | |
| 416 /** | |
| 417 * @} | |
| 418 */ | |
| 419 | |
| 420 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |